Lidocaine

Question 1

Class

Answer 1

Antidysrhythmic

Question 2

Mechanism of Action

Answer 2

Decreases automaticity by slowing the rate of spontaneous Phase 4 depolarization

Question 3

Indications

Answer 3

Suppression of ventricular dysrhythmias (V-Tach, VF, PVC)

Prophylaxis against recurrence after conversion from V-Tach and VF

Question 4

Contraindications

Answer 4

Second degree and third degree blocks in abscense of artificial pacemaker

Hypotension

Stokes Adams Syndrome

Question 5

Adult Cardiac Arrest Dose

Answer 5

1 to 1.5 mg/kg IV/IO

Repeat every 3 - 5 minutes

Max dose of 3 mg/kg

Question 6

Adult Conversion Drip Dose

Answer 6

2 - 4 mg/min

Question 7

Adult VT w Pulse

Answer 7

1 - 1.5 mg/kg IV/IO If ineffective 0.5 - 0.75 mg/kg

Repeat every 3 - 5 minutes

Max of 3 mg/kg

Question 8

Adult VF prophylaxis Dose

Answer 8

0.5 mg/kg IV

Additional 0.5 mg/kg boluses in 8 - 10 minutes

Max of 2 mg/kg

IM dose 300 mg (4 mg/kg) at 10% solution

Question 9

Pediatric Cardiac Arrest Dose

Answer 9

Refer to length/weight based tape

Question 10

Pediatric Infusion Dose

Answer 10

20 - 50 mcg/kg/min

Question 11

Pregnancy Category

Answer 11

B

Question 12

When is infusion reduced by 50%

Answer 12

Pt is over 70 years of age, liver disease, CHF, or shock